CONFIG_ST_IRQCHIP (not configurable)
modulename: irq-st.ko
configname: CONFIG_ST_IRQCHIP
Linux Kernel Configuration
└─>Device Drivers
└─>IRQ chip support
└─>ST_IRQCHIP
In linux kernel since version 4.1 (release Date: 2015-06-21)
Enables SysCfg Controlled IRQs on STi based platforms.